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IGF::OT::IGF STUDY OF THE GENERALIZATION OF THE STET CODE. THIS PO IS FOCUSING ON REPLACEMENT OF THE DIPOLE MAGNETIC FIELD IN SUPER THERMAL ELECTRON CODE (STET) THAT IS DEVELOPED IN CODE 673 FOR THE REGION OF DIFFUSE AURORA WHERE EARTHS MAGNETIC FIELD HAS MORE COMPLICATED TOPOLOGY. THE AURORA IS CONSIDERED ONE OF THE MOST IMPORTANT AND FUNDAMENTAL PHENOMENA AURORA IN THE SPACE PHYSICS AND RELATES TO THE INTERACTION OF THE SOLAR WIND WITH THE EARTHS MAGNETOSPHERE AND THE ASSOCIATED MAGNETOSPHERE IONOSPHERE TERMOSPHERE COUPLING PROCESSES. AMONG THE DIFFERENT TYPES OF AURORA THE DIFFUSE AURORA IS THE MOST POWERFUL AND DELIVERS ABOUT 75 PERCENT OF THE AURORAL ENERGY THAT ENTERS THE IONOSPHERE. UNLIKE THE DISCRETE AURORA THE DIFFUSE AURORA IS A LARGE SCALE AURORAL PHENOMENA THAT OCCURS OVER A BROAD RANGE OF LATITUDES AND IS PRIMARILY CAUSED BY THE PRECIPITATION OF LOW ENERGY ELECTRONS ORIGINATING IN THE CENTRAL PLASMA SHEET. THE DIFFUSE AURORA PRODUCES AN AURORAL OVAL SHAPED BY THE LEVEL OF GEOMAGNETIC ACTIVITY THE OVALS LOCATION MAPS ALONG MAGNETIC FIELD LINES TO THE PLASMA SHEET AND THAT IS WHY KNOWING THE REALISTIC MAGNETIC FIELD CONFIGURATION IS AN IMPORTANT ELEMENT IN OUR STET MODELING NETWORK. THE DIPOLE MAGNETIC CONFIGURATION IN OUR STET CODE WILL BE REPLACED BY EMPIRICAL TSIGANENKO MODELS 1989 AND 2004. WE ALSO WILL BE VERIFYING OUR NEW CODE AND COMPARE THE RESULTS OF OUR NEW DEVELOPMENT WITH ARBITRARY MAGNETIC FIELD CONFIGURATION WITH EXPERIMENTAL DATA. THE DATA ANALYSIS PORTION OF THE PROPOSED WORK WILL BE FOCUSING ON THEMIS AND MMS MEASUREMENTS OF ELECTRON FLUXES AND ECH AND WHISTLER MODE CHORUS WAVES AND INCORPORATION THEM INTO THE STET CODE FOR THE PURPOSES OF OUR STUDIES. THE THEMIS ELECTROSTATIC ANALYZER (ESA) MEASURES THE FULL DISTRIBUTION OF ELECTRONS WITHIN THE ENERGY RANGE WITH HIGH ANGULAR RESOLUTION WHEN IN FULL AND FAST DISTRIBUTION MODES AND THE ELECTRIC AND MAGNETIC FIELD COMPONENTS OF WAVES. THE DUAL ELECTRON SPECTROMETER WHICH IS A PART OF FAST PLASMA INVESTIGATION EXPERIMENT ON BOARD OF MMS PROVIDES MEASUREMENTS OF THE FULL DISTRIBUTION FUNCTION WITH CADENCE IN STANDARD OPERATION MODE. THE MEASUREMENTS FROM AXIAL DOUBLE PROBE AND FIELDS INSTRUMENT WILL PROVIDE WAVE DATA. THE THEMIS DATA ARE AVAILABLE FROM SPACE SCIENCE LABORATORY OF BERKELEY UNIVERSITY AND MMS LEVEL TWO DATA WILL BE AVAILABLE FROM SCIENCE DATA CENTER OF LABORATORY FOR ATMOSPHERIC AND SPACE PHYSICS OF UNIVERSITY OF COLORADO.
Estimated months remaining until end of performance.
Task order obligations
Period of performance
100% of period elapsed
Awarding Agency
NANATIONAL AERONAUTICS AND SPACE ADMINISTRATION
Code: 8000
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